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  _____      ___      _  __     ___              
 |__  //    / _ \\   | |/ //   / _ \\    ____    
   / //    | / \ ||  | ' //   / //\ \\  |    \\  
  / //__   | \_/ ||  | . \\  |  ___  || | [] ||  
 /_____||   \___//   |_|\_\\ |_||  |_|| |  __//  
 `-----`    `---`    `-` --` `-`   `-`  |_|`-`   
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Text this: Blood cholinesterase activity levels of farmers in winter and hot season of Mae Taeng District, Chiang Mai Province, Thailand